22202021022201 has 12 divisors (see below), whose sum is σ = 32595316838500. Its totient is φ = 14558702309280.

The previous prime is 22202021022187. The next prime is 22202021022241. The reversal of 22202021022201 is 10222012020222.

It can be written as a sum of positive squares in 2 ways, for example, as 9593669943225 + 12608351078976 = 3097365^2 + 3550824^2 .

It is not a de Polignac number, because 22202021022201 - 2²¹ = 22202018925049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22202021022241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20220419326 + ... + 20220420423.

Almost surely, 2^{22202021022201} is an apocalyptic number.

It is an amenable number.

22202021022201 is a deficient number, since it is larger than the sum of its proper divisors (10393295816299).

22202021022201 is a wasteful number, since it uses less digits than its factorization.

22202021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440839816 (or 40440839813 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22202021022201 its reverse (10222012020222), we get a palindrome (32424033042423).

The spelling of 22202021022201 in words is "twenty-two trillion, two hundred two billion, twenty-one million, twenty-two thousand, two hundred one".